what are some of your must-watch movies?

There are some movies that I am compelled to watch whenever they come on,no matter how many times I've seen them already. Some of mine are : Anchorman, Requiem For a Dream, American Psycho. At the moment I'm up way too late watching Teeth on IFC.
Your turn!

There are some movies that I am compelled to watch whenever they come on,no matter how many times I've seen them already. Some of mine are : Anchorman, Requiem For a Dream, American Psycho. At the moment I'm up way too late watching Teeth on
...

There are some movies that I am compelled to watch whenever they come on,no matter how many times I've seen them already. Some of mine are : Anchorman, Requiem For a Dream, American Psycho. At the moment I'm up way too late watching Teeth on IFC. Your turn!

High Plains Drifter
The Prestige
She's the one
Goodfellas
Blow
American Beauty
Last Samurai
Team America
Butch Cassidy and the Sundance Kid
Anything by Stanley Kubrick
Office Space